Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
I have no idea how to grow it on purpose, but... most of the lichen here seems to grow on trees or the trellises in my garden. Which is not to say you can't grow it on your rocks, I HAVE seen that too.
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion
